Desk



FIG. 1 is a front perspective view of an embodiment of a desk showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof; and,

FIG. 5 is a top view thereof.

The dashed lines shown in FIGS. 1-5 are included for the purpose of illustrating environmental subject matter only and form no part of the claimed design. The rear and bottom views are omitted and form no part of the claimed design. 

CLAIM The ornamental design for a desk, as shown and described. 